WELCHES, OR · Clackamas County
ZIG ZAG WATER CO-OP Water System
Consumer Confidence Report status
ZIG ZAG WATER CO-OP must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for ZIG ZAG WATER CO-OP.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.
System facts
- System ID (PWSID)
- OR4101241
- System type
- Community Water System
- Population served
- 60
- Service connections
- 46
- Ownership
- privately owned
- Water source
- groundwater (wells)
ZIG ZAG WATER CO-OP is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 60 people from groundwater.
As of August 1, 2026, its federal record holds 60 entries between 1991 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.
Of the 60, 49 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, volatile organic chemicals, and the Radionuclides and Revised Rad Rule.
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2023 – October 18, 2023
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2022 – September 30, 2023
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2022 – September 30, 2023
ResolvedMonitoring, Regular
—Nitrate
January 1, 2021 – December 31, 2021
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
September 26, 2014 – September 10, 2014
ResolvedMonitoring, Source Water (GWR)
—E. COLI
July 31, 2014 – August 13, 2014
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
July 1, 2014 – July 31, 2014
ResolvedMonitoring, Regular
—Combined Uranium
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2014 – March 31, 2014
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Combined Uranium
July 1, 2013 – September 30, 2013
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2013 – September 30, 2013
ResolvedMonitoring, Regular
—Combined Uranium
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
April 1, 2013 – June 30, 2013
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2013 – October 10, 2013
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Combined Uranium
July 1, 2012 – September 30, 2012
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Nitrate
January 1, 2011 – December 31, 2011
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2009 – January 31, 2009
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2009 – January 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 2006 – February 28, 2006
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 19, 2002 – March 13, 2003
ResolvedMonitoring, Regular
—Nitrate
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Nitrate
January 1, 1999 – December 31, 1999
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
September 1, 1998 – September 30, 1998
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
April 1, 1997 – April 30, 1997
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—Nitrate
January 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Benzene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Toluene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Endrin
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1996 – December 31, 1998
ResolvedInitial, Follow-up, or Routine Source Water M/R
—Lead and Copper Rule
October 1, 1994 – December 27, 2004
ResolvedPublic Education
Health-basedLead and Copper Rule
June 1, 1994 – December 27, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 1994 – May 31, 1994
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
September 1, 1993 – September 30, 1993
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1993 – July 31, 1993
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1992 – November 30, 1992
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
November 1, 1992 – November 30, 1992
ArchivedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
November 1, 1992 – November 30, 1992
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1992 – November 30, 1992
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1992 – October 31, 1992
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1992 – October 31, 1992
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1992 – August 31, 1992
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1991 – October 31, 1991
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1991 – October 31, 1991
Resolved
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2023 – October 18, 2023 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2022 – September 30, 2023 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2022 – September 30, 2023 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Nitrate | — | Resolved |
| September 26, 2014 – September 10, 2014 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 31, 2014 – August 13, 2014 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| July 1, 2014 – July 31, 2014 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2013 – September 30, 2013 | Monitoring, Regular | Combined Uranium | — | Resolved |
| July 1, 2013 – September 30, 2013 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Combined Uranium | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2013 – October 10, 2013 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2013 – December 31, 2013 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2012 – December 31, 2012 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2009 – January 31, 2009 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2009 – January 31, 2009 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| February 1, 2006 – February 28, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 19, 2002 – March 13, 2003 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1999 – December 31, 1999 | Monitoring, Regular | Nitrate | — | Resolved |
| September 1, 1998 – September 30, 1998 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 1997 – April 30, 1997 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 1997 – March 31, 1997 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1997 – December 31, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| October 1, 1994 – December 27, 2004 | Initial, Follow-up, or Routine Source Water M/R | Lead and Copper Rule | — | Resolved |
| June 1, 1994 – December 27, 2004 | Public Education | Lead and Copper Rule | Health-based | Resolved |
| May 1, 1994 – May 31, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 1993 – September 30, 1993 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1993 – July 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1992 – November 30, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| November 1, 1992 – November 30, 1992 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1992 – November 30, 1992 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1992 – November 30, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 1992 – October 31, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 1992 – October 31, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| August 1, 1992 – August 31, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1991 – October 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 1991 – October 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 18, 2023State Compliance achieved2 linked violations
- September 10, 2014State Compliance achieved4 linked violations
- February 22, 2011State Violation/Reminder Notice6 linked violations
- June 30, 2003State Public Notification received6 linked violations
- August 14, 2001State Compliance achieved21 linked violations
- May 6, 1998State Administrative/Compliance Order with penalty issued1 linked violation
- January 1, 1998State Compliance achieved2 linked violations
- March 31, 1997State Public Notification received35 linked violations
Common questions
Is ZIG ZAG WATER CO-OP required to publish a Consumer Confidence Report?
- Yes. ZIG ZAG WATER CO-OP is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is ZIG ZAG WATER CO-OP’s next Consumer Confidence Report due?
- ZIG ZAG WATER CO-OP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ZIG ZAG WATER CO-OP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ZIG ZAG WATER CO-OP.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
ZIG ZAG WATER CO-OP
503-310-9262
WELCHES, OR 97067